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59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/DebuggerOnGCRunnable.h"
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#include "mozilla/dom/ScriptSettings.h"
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#include "mozilla/CycleCollectedJSContext.h"
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#include "mozilla/Move.h"
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#include "mozilla/SystemGroup.h"
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#include "js/Debug.h"
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namespace mozilla {
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/* static */ nsresult
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DebuggerOnGCRunnable::Enqueue(JSContext* aCx, const JS::GCDescription& aDesc)
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{
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// Runnables are not fired when recording or replaying, as GCs can happen at
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// non-deterministic points in execution.
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if (recordreplay::IsRecordingOrReplaying()) {
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return NS_OK;
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}
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auto gcEvent = aDesc.toGCEvent(aCx);
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if (!gcEvent) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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RefPtr<DebuggerOnGCRunnable> runOnGC =
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new DebuggerOnGCRunnable(std::move(gcEvent));
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if (NS_IsMainThread()) {
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return SystemGroup::Dispatch(TaskCategory::GarbageCollection, runOnGC.forget());
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} else {
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return NS_DispatchToCurrentThread(runOnGC);
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}
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}
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NS_IMETHODIMP
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DebuggerOnGCRunnable::Run()
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{
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AutoJSAPI jsapi;
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jsapi.Init();
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if (!JS::dbg::FireOnGarbageCollectionHook(jsapi.cx(), std::move(mGCData))) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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return NS_OK;
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}
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nsresult
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DebuggerOnGCRunnable::Cancel()
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{
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mGCData = nullptr;
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return NS_OK;
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}
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} // namespace mozilla
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